CD=cd
RM=rm
all:
	$(CD) fs && $(MAKE)
	$(CD) sys && $(MAKE)
	$(CD) usr && $(MAKE)
	$(DD) if=bootblock of=pkzd.img conv=notrunc
	$(DD) if=loadblock of=pkzd.img seek=1 conv=notrunc
clean:
	$(CD) fs && $(MAKE) clean
	$(CD) sys && $(MAKE) clean
	$(CD) usr && $(MAKE) clean
	$(RM) -f pkzd bootblock loadblock ls sh cat date init
